Home / 930,625.28-1,283,935.78-608,523.92

Finding the Fourth Proportional to 930,625.28, 1,283,935.78 and 608,523.92

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Solution

The fourth proportional to 930,625.28, 1,283,935.78 and 608,523.92 is: 839,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,625.28 : 1,283,935.78 = 608,523.92 : x
  2. Step 2: Convert to fraction form
    930,625.28/1,283,935.78 = 608,523.92/x
  3. Step 3: Cross multiply
    930,625.28x = 1,283,935.78 × 608,523.92
  4. Step 4: Simplify right side
    930,625.28x = 781,305,633,873.86
  5. Step 5: Solve for x
    x = 781,305,633,873.86/930,625.28
  6. Step 6: Final answer
    x = 839,549.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.